b164.dk

Records from scan: 2026-10-08 05:43:46 · 498ms total · last checked 2026-10-17 11:46 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

b164.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.75 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.simply.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 58ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.103.75	3600s	linux131.unoeuro.com	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	94.231.103.75
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 58ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

1 records 167ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

Policy	Record (b164.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.b164.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-08 05:43:46

www	94.231.103.75 (AS48854) (address records, no CNAME)
www vs bare domain	Same network b164.dk: 94.231.103.75 (AS48854) www.b164.dk: 94.231.103.75 (AS48854)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

3 records 55ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

76ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

47ms

Field	Value
Serial	2026100200
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

41ms

58ms

46ms

AAAA

35ms

TXT

167ms

CAA

31ms

HTTPS

55ms

TLSA

55ms

SOA

47ms

MTA-STS

53ms

DNSSEC

76ms

SRV

58ms

Total

498ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 05:43:46 shown	498ms	3 NS 1 A 1 MX	🔒 Secure
2026-10-03 10:34:12	634ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-11 16:47:55	677ms	3 NS 1 A 1 MX	🔒 Secure
2026-09-09 10:42:58	208ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-01 18:20:21	389ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-31 12:35:32	155ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-30 03:59:37	153ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-28 15:51:16	184ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-27 13:31:09	182ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-26 12:50:20	157ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-25 07:41:24	165ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-24 04:31:24	940ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-23 03:51:47	781ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-22 03:34:58	1036ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-21 03:21:23	10078ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-20 00:04:35	1020ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-18 23:19:12	36558ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-17 18:35:24	825ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-16 15:09:44	16629ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-15 10:30:12	635ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-14 10:24:29	849ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-12 21:24:01	2707ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-11 17:53:28	2392ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-10 05:13:51	754ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-08 03:18:58	774ms	1 NS 0 A 0 MX	❓ Unknown